sensors Mode-S transponder
4BA950
ICAO 24-bit transponder address · allocated to Turkey
Currently assigned to TC-JJP · BOEING 777-300ER
- Hex
- 4BA950
- Octal
- 22724520
- Decimal
- 4,958,544
- Country
- TR
- Tail
- TC-JJP
- Type
- B77W
- Flights observed
- 93
- Distinct callsigns
- 20
- Country
- TR
- Last broadcast
- 16d ago
Last known position
Country allocation
The ICAO 24-bit address 4BA950 falls within the block assigned to Turkey (TR) by ICAO Annex 10, Volume III. Every aircraft registered in Turkey receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.
Callsign history 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| THY9 | Turkish Airlines | 8 | 2026-04-29 |
| THY84 | Turkish Airlines | 7 | 2026-04-23 |
| THY10 | Turkish Airlines | 7 | 2026-04-30 |
| THY25 | Turkish Airlines | 6 | 2026-04-15 |
| THY85 | Turkish Airlines | 5 | 2026-04-23 |
| THY125 | - | 5 | 2026-04-13 |
| THY24 | Turkish Airlines | 4 | 2026-04-14 |
| THY8FW | Turkish Airlines | 3 | 2026-05-06 |
| THY73 | Turkish Airlines | 3 | 2026-05-11 |
| THY6KL | Turkish Airlines | 3 | 2026-05-06 |
| THY3 | Turkish Airlines | 3 | 2026-04-18 |
| THY99D | Turkish Airlines | 2 | 2026-05-13 |
| THY89 | Turkish Airlines | 2 | 2026-05-01 |
| THY88 | Turkish Airlines | 2 | 2026-05-01 |
| THY77J | Turkish Airlines | 2 | 2026-05-12 |
| THY71 | Turkish Airlines | 2 | 2026-04-27 |
| THY3MJ | Turkish Airlines | 2 | 2026-04-24 |
| THY30S | Turkish Airlines | 2 | 2026-04-24 |
| THY26 | Turkish Airlines | 2 | 2026-05-05 |
| THY199 | Turkish Airlines | 2 | 2026-05-08 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-13 | THY99D | MIA → IST | May 13, 04:00 UTC | May 13, 14:15 UTC | 10h 15m |
| 2026-05-12 | THY77J | IST → MIA | May 12, 12:50 UTC | May 13, 01:35 UTC | 12h 45m |
| 2026-05-11 | THY73 | CAN → IST | May 11, 03:05 UTC | May 11, 21:25 UTC | 18h 21m |
| 2026-05-10 | THY73 | CAN → IST | May 10, 22:49 UTC | May 11, 21:25 UTC | 22h 36m |
| 2026-05-10 | THY2AY | IAH → IST | May 10, 03:10 UTC | May 10, 14:00 UTC | 10h 50m |
| 2026-05-09 | THY5KM | IST → IAH | May 9, 11:55 UTC | May 10, 00:45 UTC | 12h 50m |
| 2026-05-08 | THY199 | HND → IST | May 8, 13:00 UTC | May 9, 00:40 UTC | 11h 40m |
| 2026-05-08 | THY198 | IST → HND | May 8, 00:25 UTC | May 8, 10:14 UTC | 9h 50m |
| 2026-05-07 | THY2NA | IST → FCO | May 7, 19:00 UTC | May 7, 20:30 UTC | 1h 30m |
| 2026-05-07 | THY3GK | IST → FCO | May 7, 15:15 UTC | May 7, 17:15 UTC | 2h 0m |
| 2026-05-07 | THY32G | ATL → IST | May 7, 02:45 UTC | May 7, 12:45 UTC | 10h 0m |
| 2026-05-06 | THY31K | IST → ATL | May 6, 12:15 UTC | May 7, 00:05 UTC | 11h 49m |
| 2026-05-06 | THY6KL | ATH → IST | May 6, 08:10 UTC | May 6, 08:45 UTC | 35m |
| 2026-05-06 | THY8FW | IST → ATH | May 6, 04:55 UTC | May 6, 05:45 UTC | 50m |
| 2026-05-05 | THY27 | PVG → IST | May 5, 16:30 UTC | May 5, 20:40 UTC | 4h 10m |
| 2026-05-05 | THY26 | IST → PVG | May 5, 00:05 UTC | May 5, 20:40 UTC | 20h 35m |
| 2026-05-04 | THY26 | IST → PVG | May 4, 23:40 UTC | May 5, 20:40 UTC | 21h 0m |
| 2026-05-04 | THY99D | MIA → IST | May 4, 03:30 UTC | May 4, 13:40 UTC | 10h 10m |
| 2026-05-03 | THY77J | IST → MIA | May 3, 12:55 UTC | May 4, 01:05 UTC | 12h 10m |
| 2026-05-03 | THY2 | JFK → IST | May 3, 00:40 UTC | May 3, 09:35 UTC | 8h 54m |
| 2026-05-02 | THY1 | IST → JFK | May 2, 11:50 UTC | May 2, 21:40 UTC | 9h 50m |
| 2026-05-01 | THY89 | PEK → IST | May 1, 16:25 UTC | May 2, 00:45 UTC | 8h 20m |
| 2026-05-01 | THY88 | IST → PEK | May 1, 06:55 UTC | May 1, 07:10 UTC | 15m |
| 2026-05-01 | THY88 | IST → PEK | May 1, 00:25 UTC | May 1, 00:55 UTC | 30m |
| 2026-04-30 | THY10 | LAX → IST | Apr 30, 03:30 UTC | Apr 30, 15:45 UTC | 12h 15m |
| 2026-04-29 | THY9 | IST → LAX | Apr 29, 11:55 UTC | Apr 30, 01:05 UTC | 13h 9m |
| 2026-04-29 | THY2NP | AYT → VKO | Apr 29, 07:50 UTC | Apr 29, 08:15 UTC | 25m |
| 2026-04-29 | THY3YH | IST → BOD | Apr 29, 05:25 UTC | Apr 29, 06:00 UTC | 35m |
| 2026-04-28 | THY89 | PEK → IST | Apr 28, 23:29 UTC | Apr 29, 00:40 UTC | 1h 10m |
| 2026-04-27 | THY71 | HKG → IST | Apr 27, 17:40 UTC | Apr 28, 05:30 UTC | 11h 50m |
| 2026-04-27 | THY71 | HKG → IST | Apr 27, 14:55 UTC | Apr 27, 15:10 UTC | 15m |
| 2026-04-26 | THY70 | IST → HKG | Apr 26, 23:40 UTC | Apr 27, 08:50 UTC | 9h 10m |
| 2026-04-26 | THY6951 | - | Apr 26, 16:40 UTC | Apr 26, 17:25 UTC | 45m |
| 2026-04-26 | THY3006 | - | Apr 26, 05:05 UTC | Apr 26, 08:50 UTC | 3h 45m |
| 2026-04-25 | THY199 | HND → IST | Apr 25, 13:00 UTC | Apr 26, 00:55 UTC | 11h 55m |
| 2026-04-25 | THY198 | IST → HND | Apr 25, 00:10 UTC | Apr 25, 09:55 UTC | 9h 45m |
| 2026-04-24 | THY3MJ | LHR → IST | Apr 24, 11:00 UTC | Apr 24, 13:55 UTC | 2h 55m |
| 2026-04-24 | THY30S | SAW → EBL | Apr 24, 05:55 UTC | Apr 24, 09:20 UTC | 3h 25m |
| 2026-04-23 | THY85 | MNL → IST | Apr 23, 14:20 UTC | Apr 24, 01:15 UTC | 10h 55m |
| 2026-04-23 | THY84 | IST → MNL | Apr 23, 04:15 UTC | Apr 23, 10:20 UTC | 6h 6m |
| 2026-04-22 | THY3AX | IST → ADB | Apr 22, 19:40 UTC | Apr 22, 20:15 UTC | 35m |
| 2026-04-22 | THY2XQ | IST → ATH | Apr 22, 16:55 UTC | Apr 22, 17:45 UTC | 50m |
| 2026-04-22 | THY3MJ | LHR → IST | Apr 22, 11:10 UTC | Apr 22, 14:00 UTC | 2h 50m |
| 2026-04-22 | THY30S | SAW → EBL | Apr 22, 05:30 UTC | Apr 22, 09:00 UTC | 3h 30m |
| 2026-04-21 | THY73 | CAN → IST | Apr 21, 15:45 UTC | Apr 22, 01:40 UTC | 9h 55m |
| 2026-04-20 | THY72 | IST → CAN | Apr 20, 23:35 UTC | Apr 21, 05:35 UTC | 6h 0m |
| 2026-04-20 | THY10 | LAX → IST | Apr 20, 03:35 UTC | Apr 20, 15:50 UTC | 12h 15m |
| 2026-04-19 | THY9 | IST → LAX | Apr 19, 12:10 UTC | Apr 20, 01:20 UTC | 13h 10m |
| 2026-04-19 | THY6KL | ATH → IST | Apr 19, 07:55 UTC | Apr 19, 08:40 UTC | 45m |
| 2026-04-19 | THY8FW | IST → ATH | Apr 19, 04:55 UTC | Apr 19, 05:50 UTC | 55m |
About Mode-S
A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.
Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.
Prefer a tail-number view? See the TC-JJP page for operator, model, and routing details .